- Allen, J. L., 1990, Residues of Malachite Green in Muscle, Eggs, and Fry of Treated Atlantic Salmon and Chinook Salmon: U.S. Fish and Wildlife Service Investigations in Fish Control 101, 4 p.,
- Allen, J. L., 1990, Residues of malachite green in muscle, eggs, and fry of treated atlantic salmon and chinook salmon: U.S. Fish and Wildlife Service Investigations in Fish Control 101, 4,
- Amen, B. B., 1990, The hydrologic role of the unsaturated zone of a forested colluvium-mantled hollow: National Park Service, Redwood National Park Technical Report 26
- Anderson, D. P., 1990, Glass-adherent neutrophil assay for measuring trout immune responsiveness: U.S. Fish and Wildlife Service Research Information Bulletin 38, 2 p.,
- Ardinger, G. R., 1990, Equipment needed for field assessments: U.S. Fish and Wildlife Service Resource Publication 177, p. 87-89,
- Beyer, W.N., 1990, Evaluating Soil Contamination: U.S. Fish and Wildlife Service Biological Report 90(2), viii, 25,
- Bills, T. D.; Howe, G. E.; Marking, L. L., 1990, Effects of water temperature, hardness and pH on the toxicity of benzocaine to eleven freshwater fishes: U.S. Fish and Wildlife Service Investigations in Fish Control 102, 6,
- Bills, Terry D.; Howe, George E.; Marking, Leif L., 1990, Effects of Water Temperature, Hardness, and pH on the Toxicity of Benzocaine to Eleven Freshwater Fishes: U.S. Fish and Wildlife Service Investigations in Fish Control 102, 6 p.,
- Bullock, G. L., 1990, Bacterial gill disease of freshwater fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 84, 3 p.,
- Bullock, G. L., 1990, Furunculosis and other diseases caused by Aeromonas salmonicida: U.S. Fish and Wildlife Service Fish Health Bulletin 5, 5 p.,
- Bullock, G. L.; Cipriano, R. C., 1990, Enteric redmouth disease of salmonids: U.S. Fish and Wildlife Service Fish Disease Leaflet 82, 5 p.,
- Bullock, G. L.; Leek, S. L.; Stuckey, H. M.; White, G., 1990, Dry diet may increase the prevalence of bacterial kidney disease in spring chinook salmon: U.S. Fish and Wildlife Service Research Information Bulletin 25, 2 p.,
- Bullock, G. L.; McCraren, J. P., 1990, Bacterial kidney disease of salmon and trout: U.S. Fish and Wildlife Service Fish Health Bulletin 6
- Burkhead, N. M.; Williams., J. D., 1990, Current tank useful for observing small stream fishes: U.S. Fish and Wildlife Service Research Information Bulletin 90-68
- Chow, L. S.; Keay, J. A.; Moore, P. E., 1990, Monitoring the population dynamics of a reintroduced mountain sheep herd in the Sierra Nevada, California: University of California-Davis; National Park Service Transactions and Proceedings 8, p. 103-109,
- Cipriano, R. C.; Bullock, G. L., 1990, Aeromonas hydrophila infections of fishes: U.S. Fish and Wildlife Service Fish Health Bulletin 7
- Clark, D.R., Jr., 1990, Dicofol (Kelthane) as an environmental contaminant: A review: U.S. Fish and Wildlife Service Fish and Wildlife Technical Report No. 29, 37,
- Clark, R. A.; Halvorson, W. L., 1990, Endangered and rare plants of Santa Barbara Island, Channel Islands National park: University of California, NPS Cooperative Park Studies Unit Technical Report 37
- Clark, R. A.; Halvorson, W. L.; Sawdo, A. A.; Danielsen, K. C., 1990, Plant communities of Santa Rosa Island, Channel Islands National Park: University of California, NPS Cooperative Park Studies Unit Technical Report 42
- Dawson, D.K., 1990, Migration banding data: A source of information on bird population trends?: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Droege, S., 1990, The North American Breeding Bird Survey: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Droege, S.;Sauer, J.R., 1990, North American Breeding Bird Survey Annual Summary, 1989: U.S. Fish and Wildlife Service Biological Report 90(8), 22,
- Erickson, W. A.; Halvorson, W. L., 1990, Ecology and control of the black rat (Rattus rattus) in Channel islands National Park: University of California, NPS Cooperative Park Studies Unit Technical Report 38
- Fuller, M. R.; Titus, K., 1990, Sources of migrant hawk counts for monitoring raptor populations: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Geissler, P. H.; Fuller, M.R.; McAllister, L.S., 1990, Trend analyses for raptor nesting productivity: An example with peregrine falcon data: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Geissler, P.H.; Sauer, J.R., 1990, Topics in route-regression analysis: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Gilderhus, P. A., 1990, Observations on the effects of irrigation water containing 3-trifluoromethyl-4-nitrophenol (TFM) on plants: U.S. Fish and Wildlife Service Investigations in Fish Control 100, 3,
- Gilderhus, Philip A., 1990, Observations on the Effects of Irrigation Water Containing 3-Trifluoromethyl-4-Nitrophenol (TFM) on Plants: U.S. Fish and Wildlife Service Investigations in Fish Control 100, 3 p.,
- Halvorson, W. L., 1990, Damaged ecosystems get attention at Channel Inslands: National Park Service Natural Resources Report NR-90-( )
- Herman, R. L.; Meyer, F. P., 1990, Fish kills due to natural causes: U.S. Fish and Wildlife Service Resource Publication 177, 41-44,
- Howe, M.A., 1990, Methodology of the International Shorebird Survey and constraints on trend analysis: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Hudson, Patrick L.; Lenat, David R.; Caldwell, Broughton A.; Smith, David, 1990, Chironomidae of the southeastern United States: a checklist of species and notes on biology, distribution, and habitat: U.S. Fish and Wildlife Service Fish and Wildlife Research 7, 46 p.,
- Hughes, S. G., 1990, Distillers heavy syrup has potential value in lake trout diets: U.S. Fish and Wildlife Service Research Information Bulletin 24, 2 p.,
- Hughes, S. G., 1990, Use of feather meal in lake trout diets: U.S. Fish and Wildlife Service Research Information Bulletin 26, 2 p.,
- Hughes, S. G., 1990, When should we start feeding larval striped bass?: U.S. Fish and Wildlife Service Research Information Bulletin 15
- Hughes, S. G.; Barrows, R., 1990, Fish vary in ability to impart moisture to digesta: U.S. Fish and Wildlife Service Research Information Bulletin 14, 2 p.,
- Hunn, J. B.; Schnick, R. A., 1990, Toxic substances: U.S. Fish and Wildlife Service Resource Publication 177, 19-40,
- Jennings, D. P.; Williams., J. D., 1990, Don‘t release exotic fish: U.S. Fish and Wildlife Service Circular 886
- Jennings, D. P.; Williams., J. D., 1990, Status of exotic fish in the United States: U.S. Fish and Wildlife Service Research Information Bulletin 90-50
- Kantrud, H. A., 1990, Effects of vegetation manipulation on breeding waterfowl in prairie wetlands--a literature review: U.S. Forest Service General Technical Report RM-194, p. 93-123,
- Kantrud, H. A., 1990, Sago pondweed (Potamogeton pectinatus L.): a literature review: U.S. Fish and Wildlife Service Resource Publication 176, 89 pp.,
- Kerby, J. H.; Huish, M. T.; Hinshaw, J. M., 1990, Flow cytometry can determine percentages of triploidy in fish larvae: U.S. Fish and Wildlife Service Research Information Bulletin 42, 2 p.,
- Kincaid, H. L.; Kerby, H.; Harrell, R. M., 1990, Induction of female to male sex-reversal in striped bass: U.S. Fish and Wildlife Service Research Information Bulletin 99, 3 p.,
- Krise, W. F.; Bonney, W. A., 1990, An in-line oxygen injection study on a hatchery water supply: U.S. Fish and Wildlife Service Research Information Bulletin 101, 3 p.,
- Lemarie, D.; Lemm, C.; Henderson-Arzapalo, A.; Geiger, J., 1990, Microtag retention and post-tagging survival of striped bass can be improved: U.S. Fish and Wildlife Service Research Information Bulletin 100, 3 p.,
- Lemm, C.; Lemarie, D. P., 1990, Enriched artemia diet increases striped bass survival: U.S. Fish and Wildlife Service Research Information Bulletin 89, 2 p.,
- Mann, J. A., 1990, Viral hemorrhagic septicemia of fishes: U.S. Fish and Wildlife Service Fish Health Bulletin 9
- Marion, J. L., 1990, Inventory and impact monitoring of river recreation sites within the New River Gorge National River: U.S. Fish and Wildlife Service Research/Resources Management Technical Report NPS/MAR/NRTR-90/047., 56,
- McAllister, P. E., 1990, Viral hemorrhagic septicemia of fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 83, 5 p.,
- McAllister, P. E.; Owens, W. J., 1990, Comparative susceptibility of brook trout, lake trout and Atlantic salmon to infectious pancreatic necrosis: U.S. Fish and Wildlife Service Research Information Bulletin 83, 2 p.,
- McAllister, P. E.; Owens, W. J., 1990, Identification of fish virus by immunoblot assay of virus plaques: U.S. Fish and Wildlife Service Research Information Bulletin 82, 1 p.,
- McAllister, P. E.; Owens, W. J., 1990, Infectious pancreatic virus can be recovered from wild bird feces: U.S. Fish and Wildlife Service Research Information Bulletin 108, 1 p.,
- Meyer, F. P., 1990, Introduction: U.S. Fish and Wildlife Service Resource Publication 177, 1-5,
- Meyer, F. P., 1990, Test your skill: U.S. Fish and Wildlife Service Resource Publication 177, 90-97,
- Meyer, F. P.; Berger, B. L., 1990, Writing the report: U.S. Fish and Wildlife Service Resource Publication 177, 75-82,
- Meyer, F. P.; Bullock, G. L., 1990, Protozoan parasites of freshwater fishes: U.S. Fish and Wildlife Service Fish Health Bulletin 8
- Meyer, F. P.; Herman, R. L., 1990, Interpreting the scene: U.S. Fish and Wildlife Service Resource Publication 177, 10-17,
- Meyer, Fred P.; Barclay, Lee A., 1990, Field Manual for the Investigation of Fish Kills: U.S. Fish and Wildlife Service Resource Publication 177, 120 p.,
- Miller, M. R., 1990, Movements of pintails suggest high fidelity to wintering areas: U.S. Fish and Wildlife Service Research Information Bulletin 90-66
- Robbins, C. S., 1990, Use of breeding bird atlases to monitor population change: U.S. Fish and Wildlife Service Biological Report 90(1), v, 166,
- Rottiers, D. V., 1990, Health and mortality of Atlantic salmon held in cages in the Merrimack River: U.S. Fish and Wildlife Service Research Information Bulletin 73, 2 p.,
- Sauer, J.R., 1990, Route-regression analysis of Scissor-tailed Flycatcher population trends: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Sauer, J.R.; Geissler, P.H., 1990, Estimation of annual indices from roadside surveys: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Sauer, J.R.;Droege, S., 1990, Survey Designs and Statistical Methods for the Estimation of Avian Population Trends: U.S. Fish and Wildlife Service Biological Report 90(1), v, 166,
- Schnick, R. A., 1990, Where to send samples for analysis: U.S. Fish and Wildlife Service Resource Publication 177, 63-67,
- Starliper, C. E.; Cooper, R. K.; Shotts, E. B., 1990, Some Edwardsiella ictaluri strains are Romet resistant: U.S. Fish and Wildlife Service Research Information Bulletin 107, 3 p.,
- Takekawa, J. Y.; Ely, C. R., 1990, Distribution of Pacific Flyway greater white-fronted geese in Mexico: U.S. Fish and Wildlife Service Research Information Bulletin 90-81, 4 p.,
- Titus, K.; Fuller, M. R.; Jacobs, D., 1990, Detecting trends in hawk migration count data: U.S. Fish and Wildlife Service Biological Report , v, 166,
- Todd, Thomas N., 1990, Genetic differentiation of walleye stocks in Lake St. Clair and western Lake Erie: U.S. Fish and Wildlife Service Fish and Wildlife Technical Report 28, 19 p.,
- U.S. Interagency Advisory Committee on Water Data. Subcommittee on Sedimentation, 1990, Notes on sedimentation activities calendar year 1989: U.S. Geological Survey, Office of Water Data Coordination , xxx, 194 p.,